content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * --------------
   * HourTests.java
   * --------------
   * (C) Copyright 2002-2009, by Object Refinery Limited.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 29-Jan-2002 : Version 1 (DG);
   * 17-Oct-2002 : Fixed errors reported by Checkstyle (DG);
   * 13-Mar-2003 : Added serialization test (DG);
   * 21-Oct-2003 : Added hashCode test (DG);
   * 11-Jan-2005 : Added test for non-clonability (DG);
   * 05-Oct-2006 : Added new tests (DG);
   * 11-Jul-2007 : Fixed bad time zone assumption (DG);
   *
   */
  
  package org.jfree.data.time;
  
  import org.jfree.chart.date.MonthConstants;
  import org.junit.jupiter.api.Test;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  import java.util.Calendar;
  import java.util.Date;
  import java.util.GregorianCalendar;
  import java.util.Locale;
  import java.util.TimeZone;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.fail;
  
  /**
   * Tests for the {@link Hour} class.
   */
  public class HourTest  {
  
  
      /**
       * Check that an Hour instance is equal to itself.
       *
       * SourceForge Bug ID: 558850.
       */
      @Test
      public void testEqualsSelf() {
          Hour hour = new Hour();
          assertEquals(hour, hour);
      }
  
      /**
       * Tests the equals method.
       */
      @Test
      public void testEquals() {
          Hour hour1 = new Hour(15, new Day(29, MonthConstants.MARCH, 2002));
          Hour hour2 = new Hour(15, new Day(29, MonthConstants.MARCH, 2002));
          assertEquals(hour1, hour2);
      }
  
      /**
       * In GMT, the 4pm on 21 Mar 2002 is java.util.Date(1,014,307,200,000L).
       * Use this to check the hour constructor.
       */
      @Test
      public void testDateConstructor1() {
          TimeZone zone = TimeZone.getTimeZone("GMT");
          Calendar c = new GregorianCalendar(zone);
          Locale locale = Locale.getDefault();  // locale should not matter here
          Hour h1 = new Hour(new Date(1014307199999L), zone, locale);
          Hour h2 = new Hour(new Date(1014307200000L), zone, locale);
  
          assertEquals(15, h1.getHour());
          assertEquals(1014307199999L, h1.getLastMillisecond(c));
  
          assertEquals(16, h2.getHour());
          assertEquals(1014307200000L, h2.getFirstMillisecond(c));
      }
  
      /**
       * In Sydney, the 4pm on 21 Mar 2002 is java.util.Date(1,014,267,600,000L).
       * Use this to check the hour constructor.
       */
      @Test
      public void testDateConstructor2() {
          TimeZone zone = TimeZone.getTimeZone("Australia/Sydney");
          Locale locale = Locale.getDefault();  // locale should not matter here
          Calendar c = new GregorianCalendar(zone);
          Hour h1 = new Hour(new Date(1014267599999L), zone, locale);
          Hour h2 = new Hour (new Date(1014267600000L), zone, locale);
  
          assertEquals(15, h1.getHour());
          assertEquals(1014267599999L, h1.getLastMillisecond(c));
  
          assertEquals(16, h2.getHour());
          assertEquals(1014267600000L, h2.getFirstMillisecond(c));
      }
  
      /**
       * Set up an hour equal to hour zero, 1 January 1900.  Request the
       * previous hour, it should be null.
       */
      @Test
      public void testFirstHourPrevious() {
          Hour first = new Hour(0, new Day(1, MonthConstants.JANUARY, 1900));
          Hour previous = (Hour) first.previous();
          assertNull(previous);
      }
  
      /**
       * Set up an hour equal to hour zero, 1 January 1900.  Request the next
       * hour, it should be null.
       */
      @Test
      public void testFirstHourNext() {
          Hour first = new Hour(0, new Day(1, MonthConstants.JANUARY, 1900));
          Hour next = (Hour) first.next();
          assertEquals(1, next.getHour());
          assertEquals(1900, next.getYear());
      }
  
      /**
       * Set up an hour equal to hour zero, 1 January 1900.  Request the previous
       * hour, it should be null.
       */
      @Test
      public void testLastHourPrevious() {
          Hour last = new Hour(23, new Day(31, MonthConstants.DECEMBER, 9999));
          Hour previous = (Hour) last.previous();
          assertEquals(22, previous.getHour());
          assertEquals(9999, previous.getYear());
      }
  
      /**
       * Set up an hour equal to hour zero, 1 January 1900.  Request the next
       * hour, it should be null.
       */
      @Test
      public void testLastHourNext() {
          Hour last = new Hour(23, new Day(31, MonthConstants.DECEMBER, 9999));
          Hour next = (Hour) last.next();
          assertNull(next);
      }
  
      /**
       * Problem for date parsing.
       */
      @Test
      public void testParseHour() {
          // test 1...
          Hour h = Hour.parseHour("2002-01-29 13");
          assertEquals(13, h.getHour());
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
          Hour h1 = new Hour();
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(h1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
                      buffer.toByteArray()));
          Hour h2 = (Hour) in.readObject();
              in.close();
  
          assertEquals(h1, h2);
      }
  
      /**
       * Two objects that are equal are required to return the same hashCode.
       */
      @Test
      public void testHashcode() {
          Hour h1 = new Hour(7, 9, 10, 1999);
          Hour h2 = new Hour(7, 9, 10, 1999);
          assertEquals(h1, h2);
          int hash1 = h1.hashCode();
          int hash2 = h2.hashCode();
          assertEquals(hash1, hash2);
      }
  
      /**
       * The {@link Hour} class is immutable, so should not be {@link Cloneable}.
       */
      @Test
      public void testNotCloneable() {
          Hour h = new Hour(7, 9, 10, 1999);
          assertFalse(h instanceof Cloneable);
      }
  
  /**
       * Some checks for the getFirstMillisecond() method.
       */
      @Test
      public void testGetFirstMillisecond() {
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.UK);
          TimeZone savedZone = TimeZone.getDefault();
          TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
          Hour h = new Hour(15, 1, 4, 2006);
          assertEquals(1143900000000L, h.getFirstMillisecond());
          Locale.setDefault(saved);
          TimeZone.setDefault(savedZone);
      }
  
      /**
       * Some checks for the getFirstMillisecond(TimeZone) method.
       */
      @Test
      public void testGetFirstMillisecondWithTimeZone() {
          Hour h = new Hour(15, 1, 4, 1950);
          TimeZone zone = TimeZone.getTimeZone("America/Los_Angeles");
          Calendar c = new GregorianCalendar(zone);
          assertEquals(-623293200000L, h.getFirstMillisecond(c));
  
          // try null calendar
          try {
              h.getFirstMillisecond(null);
              fail("NullPointerException should have been thrown on null parameter");
          }
          catch (NullPointerException e) {
              //we expect to go in here
          }
      }
  
      /**
       * Some checks for the getFirstMillisecond(TimeZone) method.
       */
      @Test
      public void testGetFirstMillisecondWithCalendar() {
          Hour h = new Hour(2, 15, 4, 2000);
          GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
          calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
          assertEquals(955764000000L, h.getFirstMillisecond(calendar));
  
          // try null calendar
          try {
              h.getFirstMillisecond(null);
              fail("NullPointerException should have been thrown on null parameter");
          }
          catch (NullPointerException e) {
              // we expect to go in here
          }
      }
  
      /**
       * Some checks for the getLastMillisecond() method.
       */
      @Test
      public void testGetLastMillisecond() {
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.UK);
          TimeZone savedZone = TimeZone.getDefault();
          TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
          Hour h = new Hour(1, 1, 1, 1970);
          assertEquals(3599999L, h.getLastMillisecond());
          Locale.setDefault(saved);
          TimeZone.setDefault(savedZone);
      }
  
      /**
       * Some checks for the getLastMillisecond(TimeZone) method.
       */
      @Test
      public void testGetLastMillisecondWithTimeZone() {
          Hour h = new Hour(2, 7, 7, 1950);
          TimeZone zone = TimeZone.getTimeZone("America/Los_Angeles");
          Calendar c = new GregorianCalendar(zone);
          assertEquals(-614959200001L, h.getLastMillisecond(c));
  
          // try null calendar
          try {
              h.getLastMillisecond(null);
              fail("NullPointerException should have been thrown on null parameter");
          }
          catch (NullPointerException e) {
              // we expect to go in here
          }
      }
  
      /**
       * Some checks for the getLastMillisecond(TimeZone) method.
       */
      @Test
      public void testGetLastMillisecondWithCalendar() {
          Hour h = new Hour(21, 21, 4, 2001);
          GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
          calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
          assertEquals(987890399999L, h.getLastMillisecond(calendar));
  
          // try null calendar
          try {
              h.getLastMillisecond(null);
              fail("NullPointerExceptoin should have been thrown on null parameter");
          }
          catch (NullPointerException e) {
              //we expect to go in here
          }
      }
  
      /**
       * Some checks for the getSerialIndex() method.
       */
      @Test
      public void testGetSerialIndex() {
          Hour h = new Hour(1, 1, 1, 2000);
          assertEquals(876625L, h.getSerialIndex());
          h = new Hour(1, 1, 1, 1900);
          assertEquals(49L, h.getSerialIndex());
      }
  
      /**
       * Some checks for the testNext() method.
       */
      @Test
      public void testNext() {
          Hour h = new Hour(1, 12, 12, 2000);
          h = (Hour) h.next();
          assertEquals(2000, h.getYear());
          assertEquals(12, h.getMonth());
          assertEquals(12, h.getDayOfMonth());
          assertEquals(2, h.getHour());
          h = new Hour(23, 31, 12, 9999);
          assertNull(h.next());
      }
  
      /**
       * Some checks for the getStart() method.
       */
      @Test
      public void testGetStart() {
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.ITALY);
          Calendar cal = Calendar.getInstance(Locale.ITALY);
          cal.set(2006, Calendar.JANUARY, 16, 3, 0, 0);
          cal.set(Calendar.MILLISECOND, 0);
          Hour h = new Hour(3, 16, 1, 2006);
          assertEquals(cal.getTime(), h.getStart());
          Locale.setDefault(saved);
      }
  
      /**
       * Some checks for the getEnd() method.
       */
      @Test
      public void testGetEnd() {
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.ITALY);
          Calendar cal = Calendar.getInstance(Locale.ITALY);
          cal.set(2006, Calendar.JANUARY, 8, 1, 59, 59);
          cal.set(Calendar.MILLISECOND, 999);
          Hour h = new Hour(1, 8, 1, 2006);
          assertEquals(cal.getTime(), h.getEnd());
          Locale.setDefault(saved);
      }
  
  }
  